Clean Water Act discharge permit · NPDES CTP002423
KLEEN ENERGY SYSTEMS, LLC, Middletown, CT: NPDES CTP002423 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
KLEEN ENERGY SYSTEMS, LLC holds NPDES permit CTP002423. EPA’s file records it issued April 13, 2011 and expiring April 30, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | KLEEN ENERGY SYSTEMS, LLC |
|---|---|
| Permittee as filed | KLEEN ENERGY SYSTEMS, LLC |
| NPDES ID | CTP002423 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 13, 2011 |
| Expiration date | April 30, 2016 |
| Issuing agency | CT DEP |
| Address | Middletown, CT 06457 |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 14Under a numeric limit
- 15With a violation of any kind
- 4With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow rate | 2 | 5 | 1 | January 31, 2019 | 281% over the limit |
| Flow, maximum during 24 hr period | 2 | 5 | 1 | June 30, 2011 | 5% over the limit |
| Flow | 2 | 5 | 1 | June 30, 2011 | 5% over the limit |
| Zinc, total [as Zn] | 3 | 3 | 1 | June 30, 2011 | 10% over the limit |
| Aluminum, total [as Al] | 0 | 90 | 0 | ||
| Oil petroleum, total recoverable | 4 | 4 | 0 | ||
| Solids, total suspended | 3 | 3 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Lead, total [as Pb] | 4 | 2 | 0 | ||
| Copper, total [as Cu] | 3 | 2 | 0 | ||
| Nickel, total [as Ni] | 3 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 2 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| pH, maximum | 2 | 2 | 0 | ||
| pH, minimum | 2 | 2 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 20, 2026 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| February 20, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| February 20, 2026 | Management Practice Violations - Failure to Maintain Records | ST6 |
| February 20, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 26, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CTP002423 there.
Nearby on the register
- Discharge permits in Middletown
- Every permit record in Middletown, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.